package com.heima.behavior.service.impl;

import com.heima.behavior.service.ApBehaviorEntryService;
import com.heima.behavior.service.ApLikesBehaviorService;
import com.heima.common.exception.CustException;
import com.heima.model.behavior.dto.LikesBehaviorDTO;
import com.heima.model.behavior.pojo.ApBehaviorEntry;
import com.heima.model.behavior.pojo.ApLikesBehavior;
import com.heima.model.common.dto.ResponseResult;
import com.heima.model.common.enums.AppHttpCodeEnum;
import com.heima.model.common.threadlocal.AppThreadLocalUtils;
import com.heima.model.user.pojo.ApUser;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.mongodb.core.MongoTemplate;
import org.springframework.data.mongodb.core.query.Criteria;
import org.springframework.data.mongodb.core.query.Query;
import org.springframework.stereotype.Service;
import sun.misc.Queue;

import java.util.Date;

@Service
@Slf4j
public class ApLikesBehaviorServiceImpl implements ApLikesBehaviorService {
    @Autowired
    MongoTemplate mongoTemplate;
    @Autowired
    ApBehaviorEntryService apBehaviorEntryService;

    /**
     * 点赞功能实现
     *
     * @param dto
     * @return
     */
    @Override
    public ResponseResult like(LikesBehaviorDTO dto) {
        // 校验参数
        ApUser user = AppThreadLocalUtils.getUser();
        if (user == null) {
            CustException.cust(AppHttpCodeEnum.NEED_LOGIN);
        }
        // 查询行为实体
        ApBehaviorEntry apBehaviorEntry = apBehaviorEntryService.findByUserIdOrEquipmentId(user.getId(), dto.getEquipmentId());
        if (apBehaviorEntry == null) {
            return ResponseResult.errorResult(AppHttpCodeEnum.DATA_NOT_EXIST, "获取行为实体信息失败");
        }
        // 查询是否有该行为实体的点赞记录  如果点赞并且 有记录  提示请勿重复点赞
        Query query = Query.query(Criteria.where("entryId").is(apBehaviorEntry.getId()).and("articleId").is(dto.getArticleId()));
        ApLikesBehavior likesBehavior = mongoTemplate.findOne(query, ApLikesBehavior.class);
        if (dto.getOperation().intValue() == 0 && likesBehavior != null) {
            CustException.cust(AppHttpCodeEnum.DATA_EXIST, "请勿重复操作");
        }
        // 点赞或者取消点赞
        if (dto.getOperation().intValue() == 0) {
            // 点赞  添加点赞数据
            likesBehavior = new ApLikesBehavior();
            likesBehavior.setEntryId(apBehaviorEntry.getId());
            likesBehavior.setArticleId(dto.getArticleId());
            likesBehavior.setType((short) 0);
            likesBehavior.setOperation((short)0);
            likesBehavior.setCreatedTime(new Date());
            mongoTemplate.save(likesBehavior);

        } else {
            // 取消点赞  删除点赞数据
            mongoTemplate.remove(query, ApLikesBehavior.class);
        }
        return ResponseResult.okResult();
    }
}
